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Subj : Re: Return value from worker thred when the working thread must be suspend after calculation???
To   : comp.os.ms-windows.programmer.win32,microsoft.public.vc.language,comp.programming.threads
From : Alexander Grigoriev
Date : Mon Aug 29 2005 11:14 pm

You should not access windows of the main thread from the secondary thread. 
This may lead to deadlocks. Use PostMessage to communicate between threads.

"David W. Poole, Jr." <STKR!@microsoft.com> wrote in message 
news:crp7h11qb1l3te1ufgljakv0fomofutjbj@4ax.com...
> On 29 Aug 2005 16:16:10 -0700, pattreeya@gmail.com was understood to
> have stated the following:
>
>>Hello,
>>
>>  it will be a very kind of you if someone can help me with the
>>following problem.
>>
>>
>>   After finish calling "Calculate" function, I would like
>>to send the result to the main thread and suspend the working thread.
>>how can i get the the return value from this threadproc to be used by
>>the main thread?
>
> For what it matters, whenever I have a thread that updates part of the
> UI, I create the thread with a structure that contains a handle to the
> dialog box or parent window I wish to update. When the need to update
> the UI is encountered by the thread, it either updates the control(s)
> directly, or sends a WM_APP to the window with an appropriate
> structure containing the value(s) for the windproc() to use to update
> the controls.
>
>

.

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